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RT @shigekomura: Are midge swarms bound together by an effective velocity-dependent gravity? https://t.co/Pl2POIsHfs
RT @shigekomura: Are midge swarms bound together by an effective velocity-dependent gravity? https://t.co/Pl2POIsHfs
RT @shigekomura: Are midge swarms bound together by an effective velocity-dependent gravity? https://t.co/Pl2POIsHfs
Are midge swarms bound together by an effective velocity-dependent gravity? https://t.co/Pl2POIsHfs